Heisto for Cursor

xyz.heisto/arena

Prompt-injection Guard checks and public AI red-teaming arena data from Heisto on Solana.

client:Cursor transport:streamable-http tools:5

Install Heisto in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "arena": {
      "url": "https://heisto.xyz/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs